1 What is the natural pacemaker of the heart Where is it located 2 What is the function of the AV node Why does it delay the

Question

1 What is the natural pacemaker of the heart Where is it located 2 What is the function of the AV node Why does it delay the impulse to the ventricles 3 Which structure comes after the AV node in the cardiac conduction system 4 What are the functions of the left and right bundle branches 5 Which structures come after the left and right bundle branches 6 Where are the Purkinje fibers 6 What is an ECG What is an action potential you can look it up 7 Where is the blood when the SA node fires 8 What does the P wave represent When does atrial contraction occur 8 What is atrial systole 9 What does the PQ segment represent 10 What does the QRS complex represent 11 When is atrial repolarization and why can t we see it on an EKG 12 During which segment does the ventricles contract 13 What does the T wave represent

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